
After much wailing and gnashing of teeth I finally got the tube installed in its new home. However I’ve now realized that it’s 4″ too short and I need to build a new base and position it correctly :).
Still, I hooked up the cooling system, and thankfully there are no leaks – I gave it a quick test and it’s bouncing the energy straight up in the air.

The high energy physics laser emitter aperture – or 3″ plumbing flange:

The next challenge is to get it to bounce across and hit this mirror:

Like this :